void do_stuff() {
float eyepoint[3], viewpoint[3];
int k;
glEnable(GL_DEPTH_TEST);
glClearColor(0.8, 0.6, 0.62, 1.0);
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 1);
glUseProgram(0);
for (k=0; k<3; k++) {
eyepoint[k] = light0_position[k];
viewpoint[k] = light0_direction[k] + light0_position[k];
}
view_volume(eyepoint, viewpoint);
drawquads();
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
save_matrix(eyepoint, viewpoint);
glUseProgram(sprogram);
set_uniform(sprogram);
glActiveTexture(GL_TEXTURE7);
glBindTexture(GL_TEXTURE_2D, 1);
eyepoint[0] = 1.0; eyepoint[1] = 2.0; eyepoint[2] = 2.0;
viewpoint[0] = 0.0; viewpoint[1] = 0.0; viewpoint[2] = 0.0;
view_volume(eyepoint, viewpoint);
drawquads();
glutSwapBuffers();
}
// Code taken from Dr. Geist's handout
void do_stuff() {
float eyepoint[3], viewpoint[3];
int k;
glEnable(GL_DEPTH_TEST);
glClearColor(0.8,0.6,0.62,1.0);
glBindFramebufferEXT(GL_FRAMEBUFFER,1);
glUseProgram(0);
for(k=0;k<3;k++){
eyepoint[k] = light0_position[k];
viewpoint[k] = light0_direction[k]+light0_position[k];
}
view_volume(eyepoint,viewpoint, 0);
lights();
aa_display(eyepoint,viewpoint);
glBindFramebufferEXT(GL_FRAMEBUFFER,0);
save_matrix(eyepoint,viewpoint);
glUseProgram(sprogram);
glActiveTexture(GL_TEXTURE7);
glBindTexture(GL_TEXTURE_2D,1);
// Draw scene from the intended eye point, complete with shadows.
eyepoint[0] = 1.0; eyepoint[1] = 2.0; eyepoint[2] = -5.0;
viewpoint[0] = 0.0; viewpoint[1] = 0.0; viewpoint[2] = 0.0;
view_volume(eyepoint,viewpoint, 0);
lights();
aa_display(eyepoint,viewpoint);
glutSwapBuffers();
}
void aa_display(float *ep, float *vp) {
int view_pass;
glClear(GL_ACCUM_BUFFER_BIT);
for( view_pass=0; view_pass<VPASSES; view_pass++ ){
view_volume(ep, vp, 1);
draw_array();
glAccum(GL_ACCUM,1.0/(float)(VPASSES));
}
glAccum(GL_RETURN,1.0);
glutSwapBuffers();
}
int main(int argc,char** argv)
{
int p;
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_RGBA|GLUT_DOUBLE|GLUT_DEPTH);
glutInitWindowSize(500,500);
glutInitWindowPosition(100,100);
glutCreateWindow("phong shaded teapot");
glActiveTexture(GL_TEXTURE0);
load_texture(argv[1],1);
glActiveTexture(GL_TEXTURE1);
load_texture(argv[2],2);
glEnable(GL_DEPTH_TEST);
view_volume();
set_light();
set_material();
p = set_shaders();
set_uniform(p);
glutDisplayFunc(renderScene);
//glutIdleFunc(renderScene);
glutMainLoop();
return 0;
}
